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Car emergency start power working principle
2019-07-17 11:36:59

Speaking of car emergency power, its main job is to start the ignition power supply to the car for a short time when the car battery is dead or necrotic. In recent years, most of the cars will often suffer from battery depletion. It is precisely because of this that the domestic automobile emergency start-up power industry is booming. Below I will take you to understand how the power supply works. The principle of the car emergency start power supply system is mainly the inverter function, which is also the core function of the product. It includes charging, storing electricity, and the like.


Easy to carry, easy to operate is the original intention of the car emergency design, using PVC material and ABS material shell, high rate aircraft model polymer battery. Digital LED power display. Car emergency start The power can be charged by car charger and home charger. The product is equipped with automatic reverse charging and overcharge function. Protects the circuit that activates the power supply. Constant light, flashing, SOS emergency light can only be turned on by tapping the white button.

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Basic working principle of multi-functional vehicle emergency starting power supply:


1. At the time of AC input, the car is activated by self-return (reciprocal device), and the system controller charges and manages the AC through the charger. Generally, the capacity of a car charger or a home charger for a car emergency start power source is generally 1/10 of the capacity of the product itself, and only provides a supplementary function for the product, and does not provide an inverter inverter current. Under the control of the controller's system, the inverter will stop working. The input AC power is supplied to the car or other charged electronic products through the mutual input device (self-returning).


2. When the AC power is interrupted or over-voltage, the controller system issues a command to the mutual-injection device, and when it is cut into the inverter power supply, it will use the power saved by the battery to supply power to other products.


3. When the input AC voltage is normal, the controller's system will issue an instruction and the inverter will switch to the shutdown state. At this time, the mutual investment device is started to switch from the inverter to the AC bypass power supply. Provide alternating current for charging other products. It also charges the battery pack.


4. The car battery is generally 9V~16V. When the car starts, the engine starts to work. At this time, the car battery is about 14V. When the engine is turned off, the car's battery is about 12V.


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